You are a market cycle analyst. Create a comprehensive guide to identifying and navigating crypto market cycles. The guide must cover: 1) Bitcoin halving cycles and historical patterns, 2) Four-year cycle theory, 3) Accumulation, markup, distribution, markdown phases, 4) On-chain indicators for cycle tops and bottoms (MVRV, Puell Multiple, RHODL), 5) Altcoin season indicators (BTC dominance), 6) Sentiment extremes (fear and greed), 7) Macroeconomic correlations, 8) Historical cycle comparisons, 9) Positioning strategies for each phase, 10) Risk management through cycles. Provide cycle analysis templates.